Debt and Interest Expense - Debt Activity Table (Details) $ in Thousands |
3 Months Ended |
---|---|
Mar. 31, 2018
USD ($)
| |
Changes in Debt Outstanding [Roll Forward] | |
Beginning balance | $ 3,492,712 |
Other | (18,366) |
Ending balance | 4,204,346 |
Western Gas Partners, LP [Member] | Revolving Credit Facility [Member] | WES RCF [Member] | |
Changes in Debt Outstanding [Roll Forward] | |
RCF borrowings | 260,000 |
Repayments of RCF borrowings | (630,000) |
Western Gas Partners, LP [Member] | Senior Notes [Member] | 4.500% Senior Notes due 2028 [Member] | |
Changes in Debt Outstanding [Roll Forward] | |
Issuance of senior notes | 400,000 |
Western Gas Partners, LP [Member] | Senior Notes [Member] | 5.300% Senior Notes due 2048 [Member] | |
Changes in Debt Outstanding [Roll Forward] | |
Issuance of senior notes | $ 700,000 |